56966928394 has 32 divisors (see below), whose sum is σ = 86932984320. Its totient is φ = 27994200000.

The previous prime is 56966928371. The next prime is 56966928437. The reversal of 56966928394 is 49382966965.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17521269 + ... + 17524519.

It is an arithmetic number, because the mean of its divisors is an integer number (2716655760).

Almost surely, 2^56966928394 is an apocalyptic number.

56966928394 is a deficient number, since it is larger than the sum of its proper divisors (29966055926).

56966928394 is a wasteful number, since it uses less digits than its factorization.

56966928394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its digits is 151165440, while the sum is 67.

The spelling of 56966928394 in words is "fifty-six billion, nine hundred sixty-six million, nine hundred twenty-eight thousand, three hundred ninety-four".